Finding the Third Proportional to 2,126,621 and 4,666,602

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,621 : 4,666,602 = 4,666,602 : x
2. Step 2: Convert to fraction form
   2,126,621/4,666,602 = 4,666,602/x
3. Step 3: Cross multiply
   2,126,621x = 4,666,602 × 4,666,602
4. Step 4: Simplify right side
   2,126,621x = 21,777,174,226,404
5. Step 5: Solve for x
   x = 21,777,174,226,404/2,126,621
6. Step 6: Final answer
   x = 10,240,270.47